Soilshaper

Creature - Spirit 1/1, 1G (2)
Whenever you cast a Spirit or Arcane spell, target land becomes a 3/3 creature until end of turn. It's still a land.¹
It spoke with the voice of nature, but its words were curses spat upon humankind.
Illus. Thomas M. Baxa

Gatherer Card Rulings [Nov 2009]

• 8/1/2008: A noncreature permanent that turns into a creature is subject to the "summoning sickness" rule: It can only attack, and its {T} abilities can only be activated, if its controller has continuously controlled that permanent since the beginning of his or her most recent turn.

Format Legality	Legal in Vintage, Legacy, Extended, MTGO Classic Banned in Standard
Printings (1/8)	Champions of Kamigawa (Uncommon)